Our SPL Parts TITANIUM Series Rear Upper Arms (RUA) greatly increase the range of rear camber adjustment for high performance track/street applications and are a must for lowered cars to meet alignment requirements. The adjustment range provided by the eccentric washer on the OEM control arm is insufficient to get camber back into proper spec. Our Rear Upper Links feature gun drilled 2024 Aluminum center links, clamps, and clevises, along with Blue Anodized Titanium socket head cap screws and our 360 degree rotating clamp system. This combination provides superior strength, performance, durability, and ease of adjustment. Long gone are the days of fumbling with wrenches to tighten jam nuts while trying to trying to keep your bearings oriented correctly. A simple 3/16″ allen key is all that is required to lock down your alignment settings! FK Spherical Rod Ends eliminate the soft worn out bushings on the stock links to reduce alignment change in the rear suspension under hard cornering, acceleration and braking. They feature a Teflon liner to provide quiet operation, low friction, smooth articulation, and eliminates bushing deflection under load. The PTFE liner is chemically bonded to the inner diameter of the race. The liner offers a very high load carrying capacity and has greatly increased dynamic wear characteristics. The operating temperatures of the liner ranges from -65 º to 325 ºF, offering robust reliability for both street and track use. Sold as two pairs (Rear Upper Lateral & Rear Upper Trailing Arms). More Images Coming Soon!Made in the USA. SPL Parts Adjustable Rear Toe Arms Features: Gun drilled 2024 Aluminum Links to reduce unsprung weight Blue Anodized Titanium Socket Head Cap Screws 6061-T6 Aluminum Rotating Clamp design Low friction 3 piece Teflon lined FK Heim joints/Rod Ends Applications: 2020+ Toyota Supra A90 GR 2019+ BMW Z4 G29 Installation Instructions: SPL RUA G29